3.2 Traits and Inheritance

Question 1

one set of instructions for an inherited trait

Answer 1

genes

Question 2

one of the alternative forms of a gene that governs a characteristic, such as hair color

Answer 2

allele

Question 3

an organism’s appearance or other detectable characteristic

Answer 3

phenotype

Question 4

a condition that prevents hair, skin, and eyes from having normal coloring

Answer 4

albinism

Question 5

the entire genetic makeup of an organism; also the combination of gene for one or more specific traits

Answer 5

genotype

Question 6

a plant with two dominant or two recessive alleles

Answer 6

homozygous

Question 7

a plant that has the genotype Pp

Answer 7

heterozygous

Question 8

the likelihood that a possible future event will occur in any given instance of the event

Answer 8

probability

Question 9

one allele does not completely dominate another allele, and therefore results in a new phenotype.

Answer 9

incomplete dominance

Question 10

a condition that prevents hair, skin, and eyes from having normal coloring

Answer 10

albinism